222021100112211 has 96 divisors (see below), whose sum is σ = 350926134773760. Its totient is φ = 134693275272192.

The previous prime is 222021100112209. The next prime is 222021100112239. The reversal of 222021100112211 is 112211001120222.

222021100112211 is a `hidden beast` number, since 2 + 220 + 21 + 100 + 112 + 211 = 666.

It is not a de Polignac number, because 222021100112211 - 2¹ = 222021100112209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021100112291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1502678206 + ... + 1502825948.

It is an arithmetic number, because the mean of its divisors is an integer number (3655480570560).

Almost surely, 2^{222021100112211} is an apocalyptic number.

222021100112211 is a deficient number, since it is larger than the sum of its proper divisors (128905034661549).

222021100112211 is a wasteful number, since it uses less digits than its factorization.

222021100112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149465 (or 149462 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222021100112211 its reverse (112211001120222), we get a palindrome (334232101232433).

The spelling of 222021100112211 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred million, one hundred twelve thousand, two hundred eleven".